Workpiece support



FIG. 1 is a perspective view;

FIG. 2 is a top plan view thereof (the bottom plan view is a mirror image of the top plan view); and,

FIG. 3 is a side elevational view thereof (the view from the side is the same on all sides thereof).

The broken lines in the drawings depict unclaimed environmental subject matter. 

The ornamental design for a workpiece support, as shown and described. 